I fondly remember Bozo on WGN, since we got cable in 1982.
Prior to that, having spent my childhood in the Cleveland area, the one remaining local kid show host was Barnaby, who had been on local TV since the mid-50s. I even met him in person prior to a performance of Sesame Street Live.
When we moved back to Northern Ohio from Florida (1989), Barnaby was still on the air. He retired about a year after that, and the actor who played him died about two years ago.
What I mostly remember growing up in Florida was the weekend movie host, “Dr. Paul Bearer” and the Creature Feature, and then, back in Ohio, Big Chuck and Lil’ John (mostly late-nights, but some afternoons, too), who just “retired” last year.